fix routes

test/app.test.js

@@ -1087,3 +1087,31 @@ test("frontend scripts and styles revalidate across deployments", async () => {
         }
     } finally { await server.close(); }
 });
+
+test("every served page references existing local assets", async () => {
+    const server = await startTestServer();
+    try {
+        const assetPattern = /(?:src|href)="([^"#]+\.(?:css|js|svg)(?:\?[^"#]*)?)"/g;
+        const assertPageAssets = async (route, headers = {}) => {
+            const response = await fetch(server.baseUrl + route, {headers});
+            assert.equal(response.status, 200, `${route} must render`);
+            const html = await response.text();
+            for (const [, reference] of html.matchAll(assetPattern)) {
+                if (/^https?:\/\//.test(reference)) continue;
+                const assetUrl = new URL(reference, server.baseUrl + route);
+                const assetResponse = await fetch(assetUrl, {headers});
+                assert.equal(assetResponse.status, 200, `${route} references missing asset ${assetUrl.pathname}`);
+            }
+        };
+
+        for (const route of ["/", "/login", "/register", "/market", "/privacy.html", "/tos.html"]) {
+            await assertPageAssets(route);
+        }
+
+        const jar = new CookieJar();
+        await request(server.baseUrl, "/register", {method: "POST", body: {username: "assetchecker", password: "password123"}, jar});
+        for (const route of ["/app", "/app/chats/new", "/app/personas", "/app/settings", "/market"]) {
+            await assertPageAssets(route, jar.headers());
+        }
+    } finally { await server.close(); }
+});